Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 11,061 | $1,854 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 11,120 | $1,899 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 11,582 | $1,784 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 11,648 | $1,800 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 11,774 | $1,640 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 12,603 | $1,748 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 12,678 | $1,479 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 12,669 | $1,506 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 12,235 | $1,418 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 10,775 | $1,141 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 18,255 | $2,124 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 17,632 | $1,981 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 16,609 | $1,864 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 14,592 | $1,484 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 13,278 | $1,487 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 10,758 | $1,284 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 13,924 | $1,458 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 29,279 | $2,581 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 27,838 | $2,675 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 26,779 | $2,573 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 26,518 | $2,530 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 24,753 | $2,365 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 23,423 | $2,331 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 23,382 | $2,319 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 20,030 | $2,239 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 6,630 | $755 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 23,630 | $2,493 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 23,600 | $2,428 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 55,789 | $5,171 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 54,290 | $5,097 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 54,290 | $4,893 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 50,538 | $4,255 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 50,263 | $4,395 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 38,568 | $3,364 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 37,803 | $3,135 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 37,169 | $2,935 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 35,858 | $2,658 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 35,093 | $2,613 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 16,165 | $1,315 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 15,454 | $1,148 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 15,320 | $966 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 15,154 | $882 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 15,154 | $777 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 15,154 | $838 | $42.34 | $39.60 - $45.52 |
| Q4 2014 | 14,759 | $823 | $40.22 | $35.95 - $44.62 |
| Q3 2014 | 14,920 | $712 | $37.83 | $35.35 - $40.41 |
| Q2 2014 | 14,920 | $797 | $38.03 | $34.82 - $40.36 |
| Q1 2014 | 15,284 | $720 | $34.39 | $32.86 - $35.99 |
| Q4 2013 | 14,366 | $653 | $32.69 | $30.16 - $35.01 |
| Q3 2013 | 14,366 | $612 | $31.01 | $28.94 - $33.33 |